ANSYS用E命令连接节点号出现错误？

用E命令时，软件弹出“Element 1 does not have all of its required nodes defined.The E command is aborted.”点击“proceed”后，又弹出“The E command cannot store element 1,possibly because one or more nodes is not defined.”而且已经用type,n命令定义了单元类型和材料属性。